View Compilation Error

0_0_37048191_24313.cpp: In function 'int main()':
0_0_37048191_24313.cpp:31:3: error: expected primary-expression before '/' token
   /dd nod;
   ^
0_0_37048191_24313.cpp:31:4: error: 'dd' was not declared in this scope
   /dd nod;
    ^